<!DOCTYPE html>
<html class="reftest-wait">
<title>Reference for test transition from component-alpha layer to single-alpha layer</title>
<script type="text/javascript">
document.addEventListener("MozReftestInvalidate", function scrollDownAllTheWay () {
  var scrollbox = document.getElementById("scrollbox");
  scrollbox.scrollTop = 1000;
  document.documentElement.className = "";
}, false);
</script>
<style>
#scrollbox {
  margin: 20px;
  width: 300px;
  height: 400px;
  overflow-y: hidden;
  background: -moz-linear-gradient(#FFF, #FFF);
}

#inner {
  background-color: #000;
  padding-bottom: 415px;
}
</style>

<div id="scrollbox">
  <div id="inner">
    
  </div>
</div>
